Analysis of spectroscopic information for detecting methane emissions on local paths using CO and He-Ne lasers

O. K. Voitsekhovskaya, D. E. Kashirskii, O. V. Shefer

Research output: Contribution to journalArticlepeer-review

Abstract

Measuring the concentration of methane in the atmosphere is demonstrated to be very important, since an increase in methane content enhances the greenhouse effect. It is shown that the error in assessing the concentration of CH4 depends on many factors, including the reliability of the parameters of the spectral absorption lines of gases, the accuracy of determining the concentration, the measurement error, etc. The spectroscopic information necessary to detect sources of high methane concentration in the atmosphere using CO and He-Ne lasers is analysed.

Original languageEnglish
Pages (from-to)881-886
Number of pages6
JournalQuantum Electronics
Volume49
Issue number9
DOIs
Publication statusPublished - 2019

Keywords

  • Absorption spectrum
  • Concentration
  • Differential absorption method
  • Laser
  • Methane

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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